CN106461959B - Naked eye 3D display mobile device, setting method and using method thereof - Google Patents
Naked eye 3D display mobile device, setting method and using method thereof Download PDFInfo
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- CN106461959B CN106461959B CN201580033115.3A CN201580033115A CN106461959B CN 106461959 B CN106461959 B CN 106461959B CN 201580033115 A CN201580033115 A CN 201580033115A CN 106461959 B CN106461959 B CN 106461959B
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- display device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
- G06F1/1607—Arrangements to support accessories mechanically attached to the display housing
- G06F1/1609—Arrangements to support accessories mechanically attached to the display housing to support filters or lenses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/001—Constructional or mechanical details
Abstract
Provided are a naked eye three-dimensional (3D) display device, a setting method thereof, and a using method thereof. The naked eye 3D display device includes: a display device including a flat panel display; a 3D viewing cover detachably disposed on the flat panel display, the 3D viewing cover configured to cause an image displayed on the flat panel display to be viewed in three dimensions, wherein the display device includes a cover setting program executable by the display device to set setting parameters of the 3D viewing cover.
Description
Technical Field
Apparatuses and methods consistent with exemplary embodiments relate to a naked eye three dimensional (3D) display mobile device, and more particularly, to a naked eye 3D display mobile device using a 3D viewing cover in the form of a detachable accessory, a setting method thereof, and a using method thereof.
Background
An autostereoscopic three-dimensional (3D) display allows a user to see a three-dimensional image (i.e., a stereoscopic image) by a method of forming different viewing regions for the eyes of the user using a three-dimensional film such as a parallax barrier (parallax barrier), a lenticular lens (lenticular lens), or the like, without using a pair of 3D glasses.
In general, prior art methods for implementing an autostereoscopic three-dimensional display in a mobile device, such as a smartphone, tablet, etc., include methods of integrally mounting a three-dimensional film within the display of the mobile device and methods of forming the three-dimensional film as a device that may be detachable relative to a top surface of the display of the mobile device.
The method of integrally mounting a three-dimensional film with a display of a mobile device mounts a film only for a three-dimensional image (3D image), and thus, there is a problem in that image quality is degraded when viewing a two-dimensional image (2D image).
However, the method of forming the three-dimensional film to be detachable with respect to the display of the mobile device may selectively view one of the three-dimensional image and the two-dimensional image, thereby solving the problem of the image quality degradation of the two-dimensional image. However, the method has the following problems: whenever a detachable membrane is used, in order to view an optimized three-dimensional image, the user must adjust the coupling between the three-dimensional membrane and the mobile device to fit the user's own eyes.
Disclosure of Invention
Technical problem
Aspects of one or more exemplary embodiments overcome the above disadvantages and other problems associated with prior art approaches. Aspects of one or more exemplary embodiments provide a naked eye 3D display mobile device having a cover that can be removed from a display of the mobile device and does not require an additional setting operation for a subsequent use after first setting is completed, a setting method thereof, and a use method thereof.
Technical scheme for solving technical problem
According to an aspect of exemplary embodiments, there is provided a naked eye three dimensional (3D) display device, the naked eye 3D display device including: a display device including a flat panel display; a 3D viewing cover detachably disposed on the flat panel display, the 3D viewing cover configured to cause an image displayed on the flat panel display to be viewed in three dimensions, wherein the display device includes a cover setting program executable by the display device to set setting parameters of the 3D viewing cover.
The 3D viewing cover may include: a cover frame configured to be coupled to the display device, the cover frame including an opening in a central portion thereof corresponding to the flat panel display; a buffer member located on an inner surface of the cover frame around the opening; a three-dimensional film fixed to the inner surface of the cover frame by the buffer member, the three-dimensional film covering the opening; a transparent plate between the cover frame and the three-dimensional film.
The 3D viewing cover may further include a double-sided adhesive tape configured to fix the buffer member to the cover frame.
The 3D viewing cover may further include a double-sided adhesive tape configured to secure the three-dimensional film to the cushioning member.
The cover frame may include at least one hole around the opening, and the at least one hole may be at a position corresponding to an image capturing device of the display device.
The buffer member may be compressed in a thickness direction of the buffer member when the 3D viewing cover is mounted on the display device, and the thickness of the buffer member may become large and return to an original thickness when the 3D viewing cover is separated from the display device.
The cover frame may include a connection part detachably coupled to the display device, and a distance between a leading end of the connection part and the three-dimensional film may be less than a thickness of the display device.
The 3D viewing cover may further include a second buffer member between the cover frame and the transparent plate.
The 3D viewing cover may be coupled to the display device by an elastic force.
The lid setup program may be configured to display a lid calibration pattern on a flat panel display of the display device.
The lid setup program may be configured such that one or more of the setup parameters of the 3D viewing lid are changed when the displayed lid calibration pattern is touched.
The setting parameters of the 3D viewing cover may include a tilt angle, a rendering pitch, and an offset of the three-dimensional film.
The cover setting program may be executed by the display device to set setting parameters of the 3D viewing cover on a per user basis.
According to an aspect of another exemplary embodiment, there is provided a setup method of a naked eye three-dimensional (3D) display device, the setup method including: executing a lid setup program in the display device for a 3D viewing lid mountable on the display device; displaying a cover calibration pattern image on a flat panel display of the display device based on an eye tracking operation for a face of a user; adjusting the cap calibration pattern image; storing the adjusted first setting parameter of the cover calibration pattern image in a memory of the display device.
The setting method may further include: receiving design parameters of the 3D viewing lid input into the lid setup program, wherein displaying a lid calibration pattern image may include: displaying the cover calibration pattern image on a flat panel display of the display device based on an eye tracking operation for a user's face and based on design parameters of the 3D viewing cover.
Displaying the cover calibration pattern image may include: determining a distance from the display device to an eye of a user by performing an eye-tracking operation for a face of the user; obtaining a cover calibration pattern image based on the design parameters of the 3D viewing cover and the determined distance from the display device to the user's eye; displaying the obtained cover calibration pattern image on the flat panel display.
The design parameters may include a tilt angle, a rendering pitch, and an offset of a three-dimensional film of the 3D viewing cover.
The cover calibration pattern image displayed on the flat panel display may be movable by user input to change the value of the first setting parameter.
The setting method may further include: re-executing a cover setting program in the display device; reading the first setting parameter stored in a memory of the display apparatus; determining a distance between the display device and an eye of another user by performing an eye-tracking operation for a face of the other user; obtaining a cover calibration pattern image based on the first setting parameter and the determined distance between the display device and the other user's eye; displaying the obtained cover calibration pattern image on the flat panel display; adjusting the displayed cover calibration pattern image; storing the adjusted second setting parameters of the cover calibration pattern image in the memory with an identifier corresponding to the other user.
The setting method may further include: re-executing a cover setting program in the display device; determining a distance between the display device and an eye of another user by performing an eye-tracking operation for a face of the other user; obtaining a cover calibration pattern image based on the determined distance between the display device and the other user's eye; displaying the obtained cover calibration pattern image on the flat panel display; adjusting the displayed cover calibration pattern image; storing the adjusted second setting parameters of the cover calibration pattern image in the memory with an identifier corresponding to the other user.
According to an aspect of another exemplary embodiment, there is provided a non-transitory computer-readable recording medium having recorded thereon a program executable by a computer for performing the above-described method.
According to an aspect of another exemplary embodiment, there is provided a method of using a naked eye three-dimensional (3D) display device, the method including: executing a 3D viewing program in the display device; reading a setting parameter of the 3D viewing lid corresponding to a user selected for the 3D viewing program; determining a distance between the display device and an eye of a user after performing an eye tracking operation for a face of the user; performing 3D mapping for image data by using the read setting parameters and the determined distance between the display device and the user's eye; outputting the 3D mapped image data to a flat panel display of the display device.
The setting parameters may include a tilt angle, a rendering pitch, and an offset of a three-dimensional film of the 3D viewing cover.
The eye tracking operation may use an image capture device configured in the display device.
The reading of the setting parameters may include: setting parameters corresponding to each user are read from a plurality of setting parameters stored on a per user basis.
According to an aspect of another exemplary embodiment, there is provided a non-transitory computer-readable recording medium having recorded thereon a program executable by a computer for performing the above-described method.
According to an aspect of another exemplary embodiment, there is provided a three-dimensional (3D) viewing cap for a display device configured to cause an image displayed on the display device to be viewed in three dimensions, the 3D viewing cap including: a cover frame configured to be coupled to the display device, the cover frame including an opening corresponding to a display panel in a central portion thereof; a buffer member located on an inner surface of the cover frame around the opening; a three-dimensional film fixed to the inner surface of the cover frame by the buffer member, the three-dimensional film covering the opening; a transparent plate between the cover frame and the three-dimensional film.
The 3D viewing cover may further include a double-sided adhesive tape configured to fix the buffer member to the cover frame.
The 3D viewing cover may further include a double-sided adhesive tape configured to secure the three-dimensional film to the cushioning member.
The cover frame may include at least one hole around the opening, and the at least one hole may be at a position corresponding to an image capturing device of the display device.
The buffer member may be compressed in a thickness direction of the buffer member when the 3D viewing cover is mounted on the display device, and the thickness of the buffer member may become large and return to an original thickness when the 3D viewing cover is separated from the display device.
The cover frame may include a connection portion detachable with respect to the display device, and a distance between a leading end of the connection portion and the three-dimensional film may be less than a thickness of the display device.
The 3D viewing cover may further include a second buffer member between the cover frame and the transparent plate.
According to an aspect of another exemplary embodiment, there is provided a naked eye three-dimensional (3D) display device, the naked eye three-dimensional 3D display device including: a display configured to display an image; a controller configured to execute a cap setting program to set setting parameters for a 3D viewing cap that causes the image to be viewed in three dimensions; a memory configured to store the setting parameter.
The lid setting program may be configured to: displaying a cover calibration pattern on the display for adjusting the setting parameters.
The lid setting program may be configured to: such that when the displayed cover calibration pattern is touched, the setting parameters of the 3D viewing cover are changed.
The setting parameters of the 3D viewing cover may include: a tilt angle, a rendering pitch, and an offset of a three-dimensional film included in the 3D viewing cover.
The cover setting program may be executed by the controller to set setting parameters of the 3D viewing cover on a per user basis.
Drawings
These and/or other aspects and advantages will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view illustrating a naked eye 3D display mobile device according to an exemplary embodiment;
fig. 2 is an exploded perspective view illustrating a 3D viewing cover used in a naked eye 3D display mobile device according to an exemplary embodiment;
fig. 3 is a cross-sectional view illustrating a naked eye 3D display mobile device according to an exemplary embodiment before a 3D viewing cover is mounted on the mobile device;
fig. 4 is a cross-sectional view illustrating a naked eye 3D display mobile device according to an exemplary embodiment after a 3D viewing cover is mounted on the mobile device;
FIG. 5 is a cross-sectional view illustrating a naked eye 3D display mobile device with another 3D viewing cover according to an example embodiment;
fig. 6 is a perspective view illustrating a 3D viewing cover formed as a flip case usable with a naked eye 3D display mobile device according to an exemplary embodiment;
fig. 7 is a perspective view illustrating a 3D viewing cover formed as a flip cover usable with a naked eye 3D display mobile device according to an exemplary embodiment;
fig. 8 is a flowchart for explaining a setting method of mounting a 3D viewing cover on a naked eye 3D display mobile device and setting the 3D viewing cover of the naked eye 3D display mobile device according to an exemplary embodiment;
fig. 9 is a diagram illustrating a positional relationship between a user and a naked eye 3D display mobile device when a setup method of the naked eye 3D display mobile device is performed according to an exemplary embodiment;
fig. 10A, 10B, and 10C are diagrams illustrating a cover calibration pattern displayed on a naked-eye 3D display mobile device when a setup method of the naked-eye 3D display mobile device is performed according to an exemplary embodiment;
fig. 11 is a diagram illustrating a setting parameter change screen that may change a setting parameter of a cover calibration pattern when a setting method of a naked eye 3D display mobile device is performed according to an exemplary embodiment;
fig. 12 is a flowchart illustrating a user adding method of adding a user to a naked eye 3D display mobile device according to an exemplary embodiment after a 3D viewing cover is mounted on the naked eye 3D display mobile device;
fig. 13 is a flowchart illustrating a method of using a naked eye 3D display mobile device according to an exemplary embodiment.
Best mode for carrying out the invention
Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings. The same reference numbers will be understood to refer to the same parts, components and structures throughout the drawings.
The subject matter defined herein, such as its detailed structure and elements, is provided to assist in a comprehensive understanding of this specification. It is therefore evident that the illustrative embodiments may be practiced without these defined subject matter. In addition, well-known functions or constructions are omitted in order to provide a clear and concise description of the exemplary embodiments. The following description, such as "at least one of … …," when following a list of elements, modifies the entire list of elements and does not modify the individual elements of the list.
Fig. 1 is a perspective view illustrating a naked-eye 3D display device (e.g., a naked-eye 3D display mobile device 1) according to an exemplary embodiment, and fig. 2 is an exploded perspective view illustrating a 3D viewing cover 20 used in the naked-eye 3D display mobile device 1 according to an exemplary embodiment. Fig. 3 is a sectional view illustrating the naked-eye 3D display mobile device 1 according to an exemplary embodiment before the 3D viewing cover 20 is mounted on the mobile device 10. Fig. 4 is a sectional view illustrating the naked-eye 3D display mobile device 1 according to an exemplary embodiment after the 3D viewing cover 20 is mounted on the mobile device 10.
Referring to fig. 1 to 3, a naked eye 3D display mobile device 1 according to an exemplary embodiment includes a mobile device 10 and a 3D viewing cover 20.
The mobile device 10 is provided with (i.e., includes) a flat panel display 11 that displays an image and a device (e.g., a housing, a frame, a main body, etc.) that a user can hold. The mobile device 10 may include a cellular phone, a smart phone, a tablet computer, a notebook computer, a netbook computer, an electronic book terminal, a navigation device, a Portable Multimedia Player (PMP), a Digital Multimedia Broadcasting (DMB) terminal, a Personal Digital Assistant (PDA), and the like. The flat panel display 11 may include a touch screen.
Further, the mobile device 10 may include a controller and a storage unit (e.g., a memory) configured inside the main body. The controller controls the overall operation of the mobile device 10, and may output a 2D image or a 3D image to the flat panel display 11. Further, the controller controls the mobile device 10 according to a user command input through an input unit such as a touch screen.
The storage unit stores various data such as 2D images, 3D images, and the like. Various application programs that can be controlled by the controller may be installed in the storage unit. The controller may be configured by various memories. Accordingly, a cover setting program for setting the 3D viewing cover 20 according to the preference of the user and a 3D viewing program for viewing a 3D image using the 3D viewing cover 20 may be installed in the mobile device 10. These procedures will be described in detail below. Further, the controller and the storage unit of the mobile device 10 according to an exemplary embodiment may be the same as or similar to those of the related mobile device.
The 3D viewing cover 20 is detachably mounted to the top surface of the flat panel display 11 of the mobile device 10. If the 3D viewing cover 20 is mounted to the mobile device 10, the user can view the image displayed on the flat panel display 11 in three dimensions. Further, if the 3D viewing cover 20 is removed from the mobile device 10, the user can view a two-dimensional image displayed on the flat panel display 11 without image degradation.
Referring to fig. 2 and 3, the 3D viewing cover 20 may include a cover frame 30, a buffering member 40, a three-dimensional film 50, and a transparent plate 60.
The cover frame 30 is formed (e.g., provided) to be coupled to the mobile device 10, and is provided with an opening 32 corresponding to the size and shape of the flat panel display 11 of the mobile device 10 in a central portion of the cover frame 30. The cover frame 30 may be configured to be elastically coupled to a case constituting a main body of the mobile device 10 and support the flat panel display 11. The cover frame 30 includes a frame portion 31, and the frame portion 31 is formed to have a size corresponding to the front surface of the mobile device 10 (i.e., the one surface of the mobile device 10 on which the flat panel display 11 is arranged) and is provided with an opening 32 corresponding to the flat panel display 11. The cover frame 30 further includes a connection part 33 that detachably couples the cover frame 30 to the mobile device 10.
The frame portion 31 may be formed of a rigid body that firmly supports the three-dimensional film 50 and is difficult to deform. Further, the frame part 31 of the cover frame 30 may be provided with at least one hole 34 and 35 formed around the opening 32. At least one hole 34 and 35 may be formed around the frame portion 31 at, for example, a position corresponding to a lens portion of an image capture device (e.g., the camera unit 14 or a camera) exposed on the front surface of the mobile device 10 or a position corresponding to the home button 15 of the mobile device 10.
The connecting portion 33 may be formed of (e.g., include) an elastic material. The connection parts 33 may be formed to protrude from four sides of the frame part 31 substantially perpendicular to the frame part 31 and be coupled to the bottom surface of the case of the mobile device 10 by elastic force. Therefore, if the user applies a certain force to the front or leading end 33a of the connection part 33 pressing the bottom surface of the mobile device 10, the connection part 33 may be separated from the mobile device 10. If the connection part 33 is separated from the mobile device 10, the cover frame 30 may be removed from the mobile device 10. At least one connecting portion 33 may be formed on each of the four sides of the frame portion 31. In the present exemplary embodiment, as shown in fig. 1 and 2, a plurality of connecting portions 33 are formed on each of the four sides of the frame portion 31. In the present exemplary embodiment, the connection portion 33 is formed of an elastic material so that the cover frame 30 is disposed on the mobile device 10 by an elastic force. However, it is to be understood that one or more other example embodiments are not limited thereto. The connection part 33 may be constructed in various methods as long as the connection part 33 fixes the cover frame 30 to the moving device 10 so that the cover frame 30 can be stabilized, held, or prevented from moving. For example, the connection part 33 according to another exemplary embodiment fixes the cover frame 30 to the mobile device 10 by using a screw connection. Further, although the connecting portions 33 are provided on all four sides of the frame portion 31 in the present exemplary embodiment, it is understood that one or more other exemplary embodiments are not limited thereto. For example, according to one or more other exemplary embodiments, the connecting portions 33 may be provided on one or some (but not all) sides of the frame portion 31.
The buffering member 40 may be disposed on the inner surface of the cover frame 30 around the opening 32. The cushioning member 40 is formed of an elastic member, the cushioning member 40 is reduced in thickness when a force is applied in the vertical direction (i.e., in the direction of the thickness of the cushioning member 40), and the cushioning member 40 is restored to its original state when the force is removed. The cushioning member 40 is fixed to the bottom surface of the frame portion 31 of the cover frame 30. The cushioning member 40 may be fixed to the frame portion 31 of the cover frame 30 by a double-sided tape, an adhesive, or the like. In the present exemplary embodiment, as shown in fig. 2 and 3, the cushioning member 40 is fixed to the frame portion 31 of the cover frame 30 by a double-sided adhesive tape 44. The buffering member 40 is formed to have a size not exposed to the opening 32 of the cover frame 30. It is considered that, for example, a transparent plate 60 to be described below, the width of the cushioning member 40 may be formed narrower than the width of the frame portion 31. The buffering member 40 may serve to absorb manufacturing errors of the cover frame 30 and the moving device 10.
The three-dimensional film 50 allows a user to see a stereoscopic image (i.e., a three-dimensional image) by forming different viewing zones for the user's eyes. A parallax barrier, a lenticular lens, or the like may be used as the three-dimensional film 50.
The three-dimensional film 50 is formed with a size capable of covering the flat panel display 11 of the mobile device 10, and is fixed to the cushioning member 40. In detail, one surface of the buffering member 40 is fixed to the inner surface of the cover frame 30, and the three-dimensional film 50 is fixed to the other surface of the buffering member 40. Accordingly, the three-dimensional film 50 is fixed to the inside of the cover frame 30 by the buffer member 40, and covers the opening 32 of the cover frame 30. Accordingly, when the cover frame 30 is fixed to the mobile device 10, the three-dimensional film 50 contacts the top surface of the flat panel display 11 of the mobile device 10, and when the cover frame 30 is separated from the mobile device 10, the three-dimensional film 50 is removed from the mobile device 10. The three-dimensional film 50 may be fixed to the cushioning member 40 by a double-sided adhesive tape, an adhesive, or the like. In the present exemplary embodiment, the three-dimensional film 50 is fixed to the cushioning member 40 by the double-sided adhesive tape 44.
The transparent plate 60 is disposed in a space between the frame portion 31 of the cover frame 30 and the three-dimensional film 50, and presses the three-dimensional film 50 against the flat panel display 11 of the mobile device 10. In detail, when the cover frame 30 is mounted to the mobile device 10, the frame portion 31 of the cover frame 30 presses the edge of the transparent plate 60. As a result, the three-dimensional film 50 is brought into close contact with the flat panel display 11 of the mobile device 10 due to the pressure from the transparent plate 60. The distance (a in fig. 3) between the leading end 33a of the connecting portion 33 of the cover frame 30 and the bottom surface of the three-dimensional film 50 is formed to be smaller than the thickness (B in fig. 3) of the mobile device 10. Further, the transparent plate 60 is formed to have a size larger than that of the opening 32. The contact width (C in fig. 4) between the transparent plate 60 and the frame portion 31 of the cover frame 30 may be determined such that the frame portion 31 of the cover frame 30 can uniformly apply force to the entire transparent plate 60. Further, the thickness of the transparent plate 60 may be determined such that the frame part 31 of the cover frame 30 sufficiently presses the transparent plate 60 when the cover frame 30 is coupled to the mobile device 10.
According to another exemplary embodiment, as shown in fig. 5, the second buffer member 65 may be disposed between the top surface of the transparent plate 60 and the frame portion 31 of the cover frame 30. The second buffer member 65 is pressed by the transparent plate 60 when the cover frame 30 is mounted to the mobile device 10, and the second buffer member 65 is restored to an original state when the cover frame 30 is removed from the mobile device 10. The second buffer member 65 is formed to have a width smaller than the contact width C (see fig. 4) of the transparent plate 60. Therefore, the second cushioning member 65 does not interfere with viewing of the three-dimensional image through the three-dimensional film 50. The second cushioning member 65 may be fixed to the periphery of the opening 32 of the frame portion 31 of the cover frame 30. Therefore, when the cover frame 30 is not mounted to the mobile device 10, the second buffer member 65 may prevent the transparent plate 60 from moving between the three-dimensional film 50 and the frame portion 31 of the cover frame 30. Further, the transparent plate 60 may be provided to be fixed to the second buffer member 65.
Thus, when the 3D viewing cover 20 is mounted on the mobile device 10, the three-dimensional film 50 is placed on the upper side of the flat panel display 11 of the mobile device 10. Accordingly, the user can view the three-dimensional image displayed on the flat panel display 11 of the mobile device 10. At this time, since the three-dimensional film 50 is in close contact with the flat panel display 11 of the mobile device 10 due to the buffering member 40 and the transparent plate 60 of the 3D viewing cover 20, the three-dimensional film 50 of the 3D viewing cover 20 may be always in close contact with the flat panel display 11 of the mobile device 10 when mounted on the mobile device 10 even though there is a manufacturing tolerance in the mobile device 10 and the 3D viewing cover 20.
In the above description, the 3D viewing cover 20 is configured in the shape of a top cover that can be removably mounted on the top surface of the mobile device 10. However, it is understood that, in one or more other exemplary embodiments, the shape of the 3D viewing cover 20 is not limited thereto. The 3D viewing cover 20 may be configured in various forms to be detachably disposed on the mobile device 10.
Even though the 3D viewing cover 20 is configured in the shape of a top cover as shown in the above exemplary embodiment, the 3D viewing cover 20 may be formed to be mounted on the front surface (the surface on which the flat panel display 11 is provided) and the rear surface of the mobile device 10. In this case, the 3D viewing cover 20 may be mounted on the front surface of the mobile device 10 when viewing the three-dimensional image, and the 3D viewing cover 20 may be mounted on the rear surface of the mobile device 10 when not viewing the three-dimensional image.
According to another exemplary embodiment, as shown in fig. 6, the 3D viewing cover may be formed in the shape of a flip case. The flip case 70 as shown in fig. 6 is formed such that a three-dimensional film 71 is installed at the center of the flip case 70, and the three-dimensional film 71 covers and is fixed to a flat panel display of the mobile device 10 when a three-dimensional image is viewed. According to one or more other exemplary embodiments, the flip shell 70 may additionally include one or more connecting portions (such as those described above with reference to fig. 1-5) on each of one or more sides of the frame portion of the three-dimensional membrane 71. Furthermore, the viewing cover 20 as shown in any of fig. 1-5 (or further modified, e.g., to include no connecting portions 33 or to include connecting portions 33 on less than all four sides of the frame portion 31) may be implemented solely as a flip cover (e.g., similar to the flip cover 80 of fig. 7) or may be implemented as the flip shell 70 of the exemplary embodiment of fig. 7 in place of the three-dimensional membrane 71.
According to another exemplary embodiment, as shown in fig. 7, the 3D viewing cover may be formed in the shape of a flip cover 80. The flip cover 80 is formed such that a three-dimensional film is attached to the flip cover 80, and when the mobile device 10 is covered by the flip cover 80, a user can view a three-dimensional image displayed on a flat panel display of the mobile device 10.
The cover setting program is installed and executed by the controller of the mobile device 10, and allows setting of settings for the 3D viewing cover 20 according to each user. To obtain the best performance of the 3D viewing cap 20, a user using the 3D viewing cap 20 for the first time may initially configure (and not later reconfigure) the settings for the 3D viewing cap 20. At this time, a cover setting program executed by the controller of the mobile device 10 is used. The mobile device 10 and the 3D viewing cover 20 have a predetermined range of manufacturing tolerances. Specifically, the 3D viewing covers 20 may respectively have different design parameters due to the properties of the three-dimensional film 50. The design parameters of the 3D viewing cover 20 may include a tilt angle (sloped angle) of the three-dimensional film 50, a rendering pitch (rendering pitch), an offset (offset), and the like.
Accordingly, the cover setup program may provide an input window for inputting design parameters of the 3D viewing cover 20 and storing the design parameters of the 3D viewing cover 20 in the storage unit of the mobile device 10.
Further, the cover setting program may calculate the distance D (see fig. 9) between the mobile device 10 and the user's eyes by controlling the camera unit 14 configured in the mobile device 10 to perform eyeball tracking of the user's eyes. The eye tracking may refer to a method of recognizing a user's face from an image intercepted with the camera unit 14 configured in the front surface of the mobile device 10 and recognizing a position value of the user's eyes from the user's face. Thus, if the position value of the user's eye is known, the cover setting program may calculate the distance between the mobile device 10 and the user's eye. Eye tracking may use prior art methods.
The cover setting program forms a cover calibration pattern and displays the cover calibration pattern on the flat panel display 11 of the mobile device 10. As shown in fig. 10A, 10B, and 10C, the cover setting program can generate cover calibration patterns of various shapes. The cover setting program forms or obtains a cover calibration pattern that the user can recognize as a three-dimensional image by using the distance between the mobile device 10 and the user's eyes calculated through eye tracking and the input design parameters of the 3D viewing cover 20, and then outputs the cover calibration pattern to the flat panel display 11 of the mobile device 10. At this time, since the design parameters for forming the cover calibration pattern by the cover setting program are changed according to the distance D between the mobile device 10 and the user's eye, the setting parameters (e.g., tilt angle, rendering interval, offset, etc.) of the cover calibration pattern for forming the cover calibration pattern are different from the design parameters of the 3D viewing cover 20. The cover setting program is configured to store the setting parameters of the cover calibration pattern in the storage unit of the mobile device 10.
Further, the cover setting program may be configured such that when the user performs an input for changing or modifying the displayed cover calibration pattern (for example, when the user touches the cover calibration pattern displayed on the flat panel display 11 of the mobile device 10 to make a change), the setting parameters of the cover calibration pattern are changed.
Accordingly, when the 3D viewing cover 20 according to the exemplary embodiment is first utilized, the user can set the 3D viewing cover 20 according to the user's own preference by using the cover setting program installed in the mobile device 10.
Then, even if the user detaches the 3D viewing cover 20 and then remounts the 3D viewing cover 20 on the mobile device 10 in order to use the mobile device 10, the mobile device 10 outputs a three-dimensional image using the setting parameters and the distance between the mobile device 10 and the user's eyes calculated by using the eye tracking so that the user can view the three-dimensional image without inputting additional settings for the 3D viewing cover 20.
Hereinafter, a setting method of a naked eye 3D display mobile device according to an exemplary embodiment will be described in detail with reference to fig. 8, 9, and 10A to 10C.
Fig. 8 is a flowchart for explaining a setup method of the naked eye 3D display mobile device 1 according to an exemplary embodiment after the 3D viewing cover 20 is mounted on the naked eye 3D display mobile device 1. Fig. 9 is a diagram illustrating a positional relationship between a user and the naked-eye 3D display mobile device 1 when a setting method of the naked-eye 3D display mobile device 1 according to an exemplary embodiment is performed. Fig. 10A, 10B, and 10C are diagrams illustrating a cover calibration pattern displayed on the naked-eye 3D display mobile device 1 when a setup method of the naked-eye 3D display mobile device 1 according to an exemplary embodiment is performed.
The setup method of the naked eye 3D display mobile device 1 according to an exemplary embodiment may include a cover mounting operation for mounting the 3D viewing cover 20 on the mobile device 10, a parameter setting operation for determining a setup parameter of the 3D viewing cover 20 based on a user, and a storing operation for storing the setup parameter of the 3D viewing cover 20 in the mobile device 10.
Hereinafter, an operation of the setup method of the naked eye 3D display mobile device will be described in detail with reference to fig. 8.
Referring to fig. 8, the user mounts the 3D viewing cover 20 to be used on the mobile device 10 (operation S810). At this time, since the 3D viewing cover 20 is provided with the elastic connection part 33, the 3D viewing cover 20 may be detachably mounted to the mobile device 10. When the 3D viewing cover 20 is mounted on the mobile device 10, the three-dimensional film 50 is in close contact with the flat panel display 11 of the mobile device 10.
The user performs a parameter setting operation. In detail, the user executes a cover setting program installed in the controller of the mobile device 10 (operation S820). The cover setup program is configured for the 3D viewing cover 20, and may be configured to be installed in the mobile device 10 by a user, a service provider, a manufacturer, or the like.
The user inputs design parameters of the 3D viewing cover 20 mounted on the mobile device 10 into the cover setting program (operation S830). For example, the cover setup program may output an input window to the flat panel display 11 of the mobile device 10 through which a user may selectively input design parameters of the 3D viewing cover 20. In this case, the user may input design parameters of the 3D viewing lid 20 by touching the flat panel display 11 composed of a touch screen, by manipulating physical buttons on the mobile device 10, by inputting gestures or sound input, or the like. The lid setup program may store the input design parameters in a memory unit of the mobile device 10. Design parameters of the 3D viewing cover 20 may be configured for the 3D viewing cover 20.
The cap setting program performs eyeball tracking for the user' S face and displays a cap calibration pattern on the flat panel display 11 of the mobile device 10 according to the eyeball tracking (operation S840).
Displaying the cover calibration pattern includes: calculating a distance from the mobile device 10 to the eyes of the user by performing eyeball tracking for the face of the user; generating a cover calibration pattern by using a distance from the mobile device 10 to the user's eye and the design parameters of the 3D viewing cover 20 input by the user; the generated cover calibration pattern is displayed on the flat panel display 11.
In the operation of calculating the distance from the mobile device 10 to the eyes of the user, the cover setting program controls the camera unit 14 of the mobile device 10 to perform eyeball tracking. The eyeball tracking photographs or captures an image of a user to form an image of the user, identifies a face U of the user from the photographed image of the user, and calculates a position value of eyes of the user from the identified face U of the user. Then, the cover setting program calculates a distance D between the mobile device 10 and the user's eyes as shown in fig. 9 by using the position value of the user's eyes.
In the operations of generating the cover calibration pattern and displaying the generated cover calibration pattern on the flat panel display 11, the cover setting program generates a cover calibration pattern image using the distance D between the mobile device 10 and the user's eye calculated in the previous operations and the design parameters of the 3D viewing cover 20 input by the user as a reference. According to another exemplary embodiment, the cover setting program may obtain the cover calibration pattern image from a pre-stored pattern image pre-stored in the mobile device 10 or an external device. At this time, the cover setup program may output various types of cover calibration pattern images to the flat panel display 11. Examples of the cover calibration pattern images are shown in fig. 10A, 10B, and 10C.
The cover setup program forms a pattern image for the left eye and a pattern image 100 for the right eye, and displays the pattern image for the left eye and the pattern image 100 for the right eye on the flat panel display 11 of the mobile device 10. If the setting parameters of the cover calibration pattern are optimized or set for the user's eyes, the user can view the cover calibration pattern image shown at the bottom of fig. 10A in three dimensions through the 3D viewing cover 20. For reference, the image shown at the top of fig. 10A is not an actual image that is output through the flat panel display 11 of the mobile device 10 and that can be seen by the user, but a virtual image of the pattern image for the left eye and the pattern image 100 for the right eye formed through the cover setting program.
If the cover calibration pattern image viewed by the user through the 3D viewing cover 20 is not clearly seen (e.g., if the line is broken), unlike the diagram shown at the bottom of fig. 10A, the user may adjust the cover calibration pattern image (operation S850). If the separation of the pattern image for the left eye and the pattern image for the right eye is inaccurate and crosstalk occurs, the cover calibration pattern image is not clearly seen unlike the diagram shown at the bottom of fig. 10A. In this case, the user may adjust the lid calibration pattern image 101 by moving or rotating the lid calibration pattern image 101 by touching the lid calibration pattern image 101 seen via the 3D viewing lid 20 to clearly see the lid calibration pattern image 101 as in the diagram shown at the bottom of fig. 10A.
Fig. 10B and 10C respectively show cover calibration pattern images in a different form from the cover calibration pattern image 101 of fig. 10A. In fig. 10B and 10C, the cover calibration pattern images 110 and 120 shown at the top of fig. 10B and 10C are not images that are output through the flat panel display 11 of the mobile device 10 and can be seen by the user, but virtual images of a pattern image for the left eye and a pattern image for the right eye formed by the cover setting program. The cover calibration pattern images 111 and 121 shown at the bottom of fig. 10B and 10C are three-dimensional cover calibration pattern images that a user can see through the 3D viewing cover 20.
If the user adjusts the cover calibration pattern images 101, 111, and 121 displayed on the flat panel display 11 of the mobile device 10, the values of the setting parameters of the cover calibration pattern are changed. For example, values of a tilt angle, a rendering pitch, an offset, and the like, which constitute setting parameters, are changed.
In the above description, a method of adjusting the values of the setting parameters by touching the cover calibration pattern image displayed on the flat panel display 11 of the mobile device 10 has been described. However, it is understood that in one or more other exemplary embodiments, the values of the setting parameters of the cover calibration pattern may be adjusted in different ways. For example, the value of the setting parameter of the cover calibration pattern may be adjusted by the setting parameter changing screen.
Fig. 11 is a diagram illustrating a setting parameter changing screen by which the value of a setting parameter of a cover calibration pattern can be changed when a setting method of the naked-eye 3D display mobile device 1 according to an exemplary embodiment is performed.
Referring to fig. 11, the setting parameter change screen for the 3D viewing cover 20 may include a tilt angle setting button 201, a rendering interval setting button 202, an offset setting button 203, a viewing distance setting button 204, a setting value display 205, a storage button 206, and a cancel button 207. If the user presses the tilt angle setting button 201, the setting value of the tilt angle is displayed in the setting value display section 205. The user can set a desired setting value of the tilt angle by using the tilt angle setting button 201 and setting the value displayed in the setting value display section 205. Further, the setting value of the rendering interval can be set by using the rendering interval setting button 202 and the setting value display section 205. The offset setting value can be set by using the offset setting button 203 and the setting value display section 205. The viewing distance can be set by using the viewing distance setting button 204 and the setting value display section 205. Here, the viewing distance refers to a distance D between the mobile device 10 and the user's eyes. If the user presses the storage button 206, the setting values of the tilt angle, the rendering interval, the offset, and the viewing distance set by the user are stored in the storage unit of the mobile device 10. When the user deletes the setting value, the cancel button 207 is used. After setting the setting parameters of the 3D viewing cover 20 as described above, the user can determine whether the setting parameters are correctly input by checking a cover calibration pattern image like the diagram shown at the bottom of fig. 10A.
After completing the adjustment of the cover calibration pattern image, if the user presses the storage button 206 displayed on the flat panel display 11 of the mobile device 10, the cover setting program stores the setting parameters of the cover calibration pattern in the storage unit of the mobile device 10 (operation S860). The setting parameters of the cover calibration pattern modified and stored as described above are the setting parameters of the 3D viewing cover 20 appropriately set for a specific user.
Further, the value of the setting parameter of the 3D viewing cover 20 may vary with the physical characteristics of the user. In particular, in the case of children, the values of the setting parameters may vary greatly as compared with adults. Therefore, even when other users use the same 3D viewing cover 20, in order to view an optimized three-dimensional image, the setting parameters of the 3D viewing cover 20 can be set on a per user basis.
Hereinafter, a user adding method of adding another user to the 3D viewing cover 20 of the naked-eye 3D display mobile device 1 according to an exemplary embodiment will be described with reference to fig. 12.
Fig. 12 is a flowchart illustrating a user adding method of adding another user to display a 3D viewing cover of the mobile device 1 using naked eye 3D according to an exemplary embodiment.
Referring to fig. 12, if the 3D viewing cover 20 is mounted on the mobile device 10, another user (e.g., not a user who has previously executed the cover setting program) executes the cover setting program mounted in the mobile device 10 (operation S1210). If the 3D viewing lid 20 is not mounted to the mobile device 10, the user mounts the 3D viewing lid 20 to the mobile device 10 and executes a lid setup program.
The lid setting program reads the setting parameters of the 3D viewing lid 20 stored in the storage unit of the mobile device 10 (operation S1220). Thereafter, the cover setting program performs eyeball tracking for the face of the other user and calculates the distance between the eyes of the other user and the mobile device 10 (operation S1230). The cover setting program may calculate the distance between the mobile device 10 and the eye of another user by performing eye tracking in the same or similar manner as the eye tracking of the setting method of the naked eye 3D display mobile device 1 described above.
After calculating the distance between the mobile device 10 and the other user 'S eye, the lid setting program generates a lid calibration pattern image using the setting parameters read in the storage unit of the mobile device 10 and the distance between the mobile device 10 and the other user' S eye calculated in the previous operation, and outputs the lid calibration pattern image to the flat panel display 11 of the mobile device 10 (operation S1240). Then, another user checks the displayed cover calibration pattern image to determine whether the separation of the pattern image for the left eye from the pattern image for the right eye is accurate and whether crosstalk occurs. If the cover calibration pattern image viewed by another user through the 3D viewing cover 20 is not clearly seen (e.g., the line is broken) unlike the cover calibration pattern image shown at the bottom of each of fig. 10A, 10B, and 10C, the user adjusts the cover calibration pattern image by, for example, touching the flat panel display 11 of the mobile device 10 (operation S1250).
After completing the adjustment of the cover calibration pattern image, another user stores the setting parameters of the cover calibration pattern in the storage unit of the mobile device 10 with names or identifiers that can be distinguished from the setting parameters for the user who has performed the setting (operation S1260). At a later time, another user added may view the three-dimensional image using his or her stored setup parameters of the 3D viewing cover 20.
As described above, according to the present exemplary embodiment, the setting parameters are stored on a per user basis. In this regard, in addition to the setting parameters stored for a particular user, default setting parameters may be stored for any user for which no particular setting parameters are stored.
Hereinafter, a method of using the naked-eye 3D display mobile device 1 for viewing a three-dimensional image according to an exemplary embodiment will be described in detail with reference to fig. 13.
Fig. 13 is a flowchart illustrating a method of using a naked eye 3D display mobile device according to an exemplary embodiment.
Referring to fig. 13, the user mounts the 3D viewing cover 20 to the mobile device 10 (refer to S1310). Thus, the three-dimensional film 50 of the 3D viewing cover 20 is placed on top of the flat panel display 11 of the mobile device 10.
The user executes the 3D viewing program installed in the mobile device 10 (operation S1320). The 3D viewing program may be configured for the 3D viewing cover 20 and configured to be installed in the mobile device 10 by a user, a service provider, a content provider, a manufacturer, and the like.
In the operation of executing the 3D viewing program, the 3D viewing program displays a list of users who have stored the setting parameters of the 3D viewing lid 20 in the storage unit of the mobile device 10. Thus, the user selects his or her name from the user's list.
If the user is selected, the 3D viewing program reads the selected setting parameters of the user from the storage unit of the mobile device 10 (operation S1330).
The 3D viewing program controls the camera unit 14 of the mobile device 10 to perform eyeball tracking for the face of the user and calculates the distance between the mobile device 10 and the eyes of the user (refer to S1340).
The 3D viewing program performs 3D mapping for image data to be displayed by using the selected setting parameters of the user and the calculated distance between the mobile device 10 and the eyes of the user. Then, the 3D viewing program outputs the 3D mapped image data to the flat panel display 11 of the mobile device 10 (operation S1350).
Accordingly, the user can view the three-dimensional image displayed on the flat panel display 11 of the mobile device 10 through the 3D viewing cover 20.
If the naked-eye 3D display mobile device 1 according to the exemplary embodiment is used as described above, the 3D viewing program outputs a suitable three-dimensional image by tracking the eyes of the user with eye tracking. Thus, the user can view the optimized three-dimensional image at any position.
Further, with the naked eye 3D display mobile device according to the exemplary embodiment, if the user initially sets the setting parameters of the 3D viewing cover only once, there is no need to reset the setting parameters of the 3D viewing cover when the 3D viewing cover is used later. Thus, the use of the 3D viewing cover is convenient.
Although not limited thereto, the exemplary embodiments can be embodied as computer readable codes on a computer readable recording medium. The computer readable recording medium is any data storage device that can store data which can be thereafter read by a computer system. Examples of the computer-readable recording medium include: read-only memory (ROM), random-access memory (RAM), CD-ROMs, magnetic tape, floppy disks, and optical data storage devices. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion. Furthermore, the exemplary embodiments can be written as computer programs that are transmitted over a computer readable transmission medium (such as a carrier wave) and received and implemented in a general or special purpose digital computer that executes the programs. Further, it is understood that in exemplary embodiments, one or more units or components of the above-described devices and apparatuses may include a circuit, a processor, a microprocessor, or the like, and may execute a computer program stored in a computer readable medium.
Although exemplary embodiments have been described above, further variations and modifications will be apparent to those skilled in the art based on this description. Therefore, it is intended that the appended claims be interpreted as including the above exemplary embodiments and all such alterations and modifications as fall within the true spirit and scope of the inventive concept.
Claims (8)
1. A naked eye 3D display device comprising:
a display device including a flat panel display; and
a 3D viewing cover detachably disposed on the flat panel display, the 3D viewing cover being configured to cause an image displayed on the flat panel display to be viewed in three dimensions,
wherein the display device includes a cover setting program executable by the display device to set setting parameters of the 3D viewing cover, the cover setting program configured to form a cover calibration pattern and display the cover calibration pattern on a flat panel display of the display device,
wherein the lid setup program is configured such that when a lid calibration pattern displayed on a flat panel display is touched via user input to change the displayed lid calibration pattern and change one or more of the setting parameters of the 3D viewing lid, one or more of the setting parameters of the 3D viewing lid are changed and display of the lid calibration pattern on the flat panel display is changed.
2. The naked eye 3D display device of claim 1, wherein the 3D viewing cover comprises:
a cover frame configured to be coupled to the display device, the cover frame including an opening in a central portion thereof corresponding to the flat panel display;
a buffer member located on an inner surface of the cover frame around the opening;
a three-dimensional film fixed to the inner surface of the cover frame by the buffer member, the three-dimensional film covering the opening; and
a transparent plate between the cover frame and the three-dimensional film.
3. The naked eye 3D display device of claim 2, wherein the cover frame comprises at least one aperture around the opening and at a location corresponding to an image capture device of the display device.
4. The naked-eye 3D display device of claim 2, wherein the cushioning member is compressed in a thickness direction of the cushioning member when the 3D viewing cover is mounted on the display device;
when the 3D viewing cover is separated from the display device, the thickness of the buffer member becomes large and returns to an original thickness.
5. The naked-eye 3D display device of claim 4, wherein:
the cover frame includes a connection part detachably coupled to the display device;
the distance between the leading end of the connecting portion and the three-dimensional film is smaller than the thickness of the display device.
6. The naked eye 3D display device of claim 2, wherein the 3D viewing cover further comprises a second cushioning member between the cover frame and the transparent plate.
7. The naked eye 3D display device of claim 1, wherein the 3D viewing cover is bonded to the display device by a resilient force.
8. The naked eye 3D display device of claim 1, wherein the setting parameters of the 3D viewing cover comprise: a tilt angle, a rendering pitch, and an offset of a three-dimensional film included in the 3D viewing cover.
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